TV series
Their love hangs by a thread... until a stranger picks up the phone.
A rising politician and his mute wife's tense marriage begins to unravel after a call from a kidnapper turns their lives upside down.
Streaming, rental and purchase options
Checked Jul 22, 2026
When the Phone Rings is available to stream on Netflix in United States. Use the direct links below to open the provider.
A rising politician and his mute wife's tense marriage begins to unravel after a call from a kidnapper turns their lives upside down.
Choose an episode, then use the watch options above for the show.
Episode 1
After receiving a call from Hong Hee-joo's kidnapper, Paik Sa-eon attempts to learn more about him — only to find it's hard to escape his surveillance.
Guest stars Park Geon-Rak, 탁승빈, Park Gang-to, 이경호, Lee Beom-chan, Lee Seung-jin, Lim Cheol-soo, Choi Woo-jin
Episode 2
Sa-eon works quickly to track down the caller, forcing Hee-joo to stay hypervigilant. Despite her fears, she continues to play along with the ruse.
Guest stars Lee Seung-jin, Lim Cheol-soo, Choi Woo-jin, Park Sun-young, Song Jin-hee, Jeong Ji-hwan, Ko Sang-ho, Oh Hyun-kyung
Episode 3
After Sa-eon experiences an attack, he grows wary of Hee-joo's relationship with her friend. Meanwhile, an ominous figure makes his presence known.
Guest stars Lee Seung-jin, Lim Cheol-soo, Choi Woo-jin, Ko Sang-ho, Oh Hyun-kyung, Chu Sang-mi, Yang Jo-a, Park Won-sang
Episode 4
After receiving the ominous call, Hee-joo abandons her clandestine plan. She then undergoes a tough interview with Sa-eon — sharing an intimate moment.
Guest stars Lim Cheol-soo, Choi Woo-jin, Park Sun-young, Song Jin-hee, Jeong Ji-hwan, Oh Hyun-kyung, Chu Sang-mi, Yang Jo-a
Episode 5
Sa-eon grapples with feelings of betrayal after learning the truth about Hee-joo. However, when she receives good news, they begin to grow fonder.
Guest stars Lim Cheol-soo, Choi Woo-jin, Park Sun-young, Song Jin-hee, Jeong Ji-hwan, Oh Hyun-kyung, Chu Sang-mi, Yang Jo-a
Episode 6
Hee-joo confronts a figure from her past who wishes to reveal what she knows. She then embarks on a retreat with Sa-eon — who becomes possessive of her.
Guest stars Park Chang-hoon
Episode 7
Sa-eon and Hee-joo's relationship shifts after her harrowing rescue. Determined to catch the kidnapper, Sa-eon goes full force — with the help of 406.
Guest stars Park Geon-Rak, Lim Cheol-soo, Choi Woo-jin, Park Sun-young, Song Jin-hee, Jeong Ji-hwan, Oh Hyun-kyung, Chu Sang-mi
Episode 8
As Hee-joo and Sa-eon grow closer, the threat from the kidnapper intensifies. Sa-eon discovers an ominous and shocking clue from a past figure.
Guest stars Chu Sang-mi, Yang Jo-a, You Seong-joo, Han Jae-yi, Park Chang-hoon, Park Jae-yoon
Episode 9
Hee-joo worries about Sa-eon after learning the truth about him. She later appears on the stage of her dreams, side by side with her love.
Where to watch When the Phone Rings
Episode 10
While attempting to rescue Hee-joo, Sa-eon discovers another surprising conspirator — whom he later tries to persuade to help locate the kidnapper.
Where to watch When the Phone Rings
Episode 11
After Hee-joo's bold move, her fate and that of her kidnapper remain uncertain. But Sa-eon refuses to give up — leaving no stone unturned to find her.
Where to watch When the Phone Rings
Episode 12
Sa-eon abandons everything he's worked for, leaving Hee-joo completely alone. But after a clue arrives, she embarks on a journey to reunite with him.
Where to watch When the Phone RingsEpisode information updated Jul 23, 2026
Yoo Yeon-seokBaek Sa-eon
Chae Soo-binHong Hee-ju
Heo Nam-junJi Sang-woo
Jang Gyu-riNa Yu-ri
Lee Doo-seokKang Hyeong-Cheol
Park Geon-RakDirector Yoon
Lee Seung-jinReporter
Lim Cheol-sooKang Young-woo
MBCSouth Korea
Bon FactorySouth Korea
Baram PicturesSouth Korea
